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3 years ago

What property is -6+24=x-24+24

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

4 0

Answer:

x = 30

Step-by-step explanation:

-6 + 24 = x - 24 + 24

x = 24 + 6 - 24 - 24

x = 30 - 0

x = 30

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3 years ago

in triangle ABC shown below, L is the midpoint of BC, M is the midpoint of AB, and N is the midpoint of AC. Find the perimeter o

alexdok [17]

since m and n are the midpoints of ab and ac resistively

then ,bc=2mn=16

since m and l are the midpoints of ba and bc respectively

then, ac =2mn =10

then,nc =1/2 × 10 =5

similary, mb=6

then ,perimeter=nc+mb+mn+bc=5+6+8+16=35

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3 years ago

What number raised to the -2 exponent would equal 1/4?

serious [3.7K]

Let, the number = x
It would be: x² = 1/4
x = √1/4
x = 1/2

In short, Your Answer would be 1/2

Hope this helps!

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3 years ago

Which formula is used to calculate the standard deviation of sample data?<br>

Reptile [31]

Answer:

Standard deviation (S) = square root of the variance

Standard deviation is the measure of spread most commonly used in statistical practice when the mean is used to calculate central tendency. Thus, it measures spread around the mean

Step-by-step explanation:

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3 years ago

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EASY POINTS EVALUATION

dedylja [7]

Answer:

$\frac{4}{9}$

Step-by-step explanation:

$( \frac{16 {}^{ \frac{1}{2} } }{81 { }^{ \frac{1}{2} } }) \\ ( \frac{ {4}^{2 \times \frac{1}{2} } }{9^{2 \times \frac{1}{2} } }) \\ ( \frac{4^{1} }{9 ^{1} } ) \\ \frac{4}{9}$

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2 years ago

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